Cypress CY14B101Q2 manuals

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Cypress CY14B101Q2 Manual

22 pages1.38 Mb

1 Mbit (128K x 8) Serial SPI nvSRAM
- CY14B101Q1 CY14B101Q2 CY14B101Q3
  - Features
  - Functional Overview
  - Logic Block Diagram
- 2CY14B101Q2
  - Pinouts
- 3CY14B101Q3
  - Device Operation
    - SRAM Write
    - SRAM Read
    - STORE Operation
    - AutoStore Operation
- 4CY14B101Q1 CY14B101Q2 CY14B101Q3
  - Software Store Operation
  - Hardware STORE and HSB pin Operation
  - RECALL Operation
  - Hardware Recall (Power Up)
  - Software RECALL
  - Disabling and Enabling AutoStore
  - 5Serial Peripheral Interface
    - SPI Overview
    - 6SPI Modes
  - 7SPI Operating Features
    - Power Up
    - Power On Reset
    - Power Down
    - Active Power and Standby Power Modes
  - SPI Functional Description
  - 8Status Register
    - Read Status Register (RDSR) Instruction
    - Write Status Register (WRSR) Instruction
  - 9Write Protection and Block Protection
    - Write Enable (WREN) Instruction
    - Write Disable (WRDI) Instruction
    - Block Protection
- 10CY14B101Q1 CY14B101Q2 CY14B101Q3
  - Write Protect (WP) Pin
  - Memory Access
    - Read Sequence (READ)
    - Write Sequence (WRITE)
      - Document #: 001-50091 Rev. *A Page 11 of 22
  - 11nvSRAM Special Instructions
    - [+] Feedback
    - HI-Z
      - A16 A3 A1A2 A0
        0000001 0000
        D0D1
    - MSB
    - MSB LSB
    - LSB
    - Software STORE
      - Figure 12. Burst Mode Read Instruction Timing
      - Figure 13. Write Instruction Timing
      - Figure 14. Burst Mode Write Instruction Timing
        Data Byte 1 Data Byte N MSB LSB
        012345 6 7 0765432
        12021222301234567
        D2 D3
        D4 D5D6D7
        00 00
        Data Byte 1 Data Byte N
    - 12Software RECALL
    - AutoStore Disable (ASDISB)
    - AutoStore Enable (ASENB)
    - HOLD Pin Operation
  - 13Maximum Ratings
  - DC Electrical Characteristics
- 14CY14B101Q1 CY14B101Q2 CY14B101Q3
  - AC Test Conditions
  - Data Retention and Endurance
  - Capacitance
  - Thermal Resistance
  - AC Switching Characteristics
  - 15~
    - Document #: 001-50091 Rev. *A Page 16 of 22
    - 16AutoStore or Power Up RECALL
    - Switching Waveforms
      - Figure 23. AutoStore or Power Up RECALL
    - 17Software Controlled STORE and RECALL Cycles
    - Switching Waveforms
    - 19Ordering Information
    - Part Numbering Nomenclature
    - 22Document History Page
    - Sales, Solutions, and Legal Information
      - Worldwide Sales and Design Support
      - Products
      - PSoC Solutions

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